The dialogue went far deeper than a mere discussion of the current landscape of the Bronx art scene. It raised questions, and some hackles, about competing community needs, gentrification, constituencies that are too frequently powerless, and big money.

In the book, “Dorothea Lange: Grab a Hunk of Lightning,” Lange’s photography is presented with equal weight given to Lange’s intuitive eye for structure and composition, as well as to her burning commitment to social justice.